TT-6645 GE FRAME 6B GAS TURBINE, YEAR 1981

REFERENCE NUMBER: TT-6645 GE FRAME 6B GAS TURBINE, YEAR 1981 1. 2X GE FRAME 6B GAS TURBINES 2. TECHNICAL SUMMARY 3. GAS TURBINES: TWO GE MS 6001 B GAS TURBINES PAIRED WITH AEG GENERATORS (TYPE S7102/2). 4. OPERATION HISTORY: 5. YEAR COMMISSIONING: 1981 6. GAS-FIRED OPERATION: UNTIL 2005, PRIMARILY FOR BASE LOAD (~7000 HOURS/YEAR). 7. OPERATIONAL HOURS IN COMBINED CYCLE: 8. GT21: ~167,000 HOURS, ~1130 STARTS 9. GT22: ~159,000 HOURS, ~1180 STARTS 10. RETROFITTED: IN 1996 WITH WATER INJECTION FOR NOX REDUCTION. 11. CONVERSION: IN 2007 TO PEAK LOAD OPERATION USING HEATING OIL (HEL) WITH NEW STEEL CHIMNEYS AND UPGRADED CONTROL SYSTEMS TO ABB PROCONTROL 14. 12. OPERATIONAL HOURS IN PEAK LOAD: 13. GT21: ~130 HOURS, ~177 STARTS 14. GT22: ~150 HOURS, ~180 STARTS 15. LAST NETWORK OPERATION: 2015 16. LAST OIL SERVICE: 17. GT21: OCTOBER 2015 18. GT22: SEPTEMBER 2016 19. LAST BORESCOPE INSPECTION: DECEMBER 2016 20. DEFECT: HEATING OIL TRANSFER LINE ISSUE IN 2017 HALTED OPERATIONS. 21. DECOMMISSIONING: SEPTEMBER 2023 TECHNICAL SPECIFICATIONS 1. APPLICATION: GENERATOR DRIVE 2. SHAFT SPEED: 5105 RPM 3. CONTROL SYSTEM: ABB PROCONTROL 14 4. PROTECTION SYSTEMS: OVERSPEED, OVERTEMPERATURE, VIBRATION, AND FLAME MONITORING 5. COOLING MECHANISM: INTEGRATED ROTATION DEVICE IN THE TORQUE CONVERTER ENVIRONMENTAL CONDITIONS 1. AMBIENT TEMPERATURE: 15°C 2. AIR PRESSURE: 0.9945 BAR 3. PRESSURE DROP IN INTAKE SYSTEM: 10.0 MBAR 4. EXHAUST DIFFUSER OUTLET PRESSURE: 30.0 MBAR 5. RELATIVE HUMIDITY: 60% COMPRESSOR SECTION 1. STAGES: 17 AXIAL STAGES 2. TYPE: HIGH-PERFORMANCE AXIAL COMPRESSOR 3. CASING: HORIZONTALLY SPLIT 4. INLET GUIDE VANES: ADJUSTABLE TURBINE SECTION 1. STAGES: 3 CONTINUOUS SHAFT STAGES 2. CASING: HORIZONTALLY SPLIT 3. GUIDE VANES: FIXED COMBUSTION SYSTEM 1. TYPE: 10 CONCENTRIC RING CHAMBERS AROUND THE COMPRESSOR 2. FUEL NOZZLES: ONE PER CHAMBER, PRESSURE ATOMIZED 3. IGNITION: 2 SPRING-LOADED, SELF-RETRACTING ELECTRODE-TYPE SPARK PLUGS 4. FLAME MONITORS: 2 ULTRAVIOLET BEARING ARRANGEMENT 1. NUMBER: 2 2. LUBRICATION: 3. BEARING NO. 1: PRESSURE LUBRICATED, COMBINATION OF THRUST AND JOURNAL BEARINGS 4. BEARING NO. 2: LEMON BORE JOURNAL BEARING STARTING SYSTEM 1. DEVICE: DIESEL ENGINE (12 V-71-NT TURBOCHARGER) 2. TORQUE CONVERTER: HYDRAULIC WITH INTEGRATED REVERSING GEAR AND ROTATION DEVICE FUEL SYSTEM 1. OPERATING FUEL: HEATING OIL (HEL) 2. FUEL PUMP: AUXILIARY GEAR-DRIVEN SCREW PUMP WITH CONSTANT FLOW 3. FUEL DISTRIBUTOR: FREE-ROTATING, 10 ELEMENTS 4. FUEL SHUTOFF VALVE: ELECTROHYDRAULIC SERVO CONTROL 5. FUEL FILTERS: 2 LOW-PRESSURE FULL-FLOW, 1 HIGH-PRESSURE FULL-FLOW LUBRICATION SYSTEM 1. LUBRICANT: PETROLEUM-BASED 2. TOTAL VOLUME: ~7000 LITERS 3. MAIN OIL PUMP: SHAFT-DRIVEN, FLANGE-MOUNTED TO AUXILIARY GEARBOX 4. AUXILIARY AND EMERGENCY OIL PUMPS: MOTOR-DRIVEN SUBMERSIBLE CENTRIFUGAL PUMPS HEAT EXCHANGER 1. TYPE: OIL/WATER 2. QUANTITY: SINGLE UNIT LUBRICATION FILTERS 1. TYPE: FULL-FLOW WITH CHANGEOVER VALVE 2. QUANTITY: 2 3. FILTER TYPE: 5-MICRON HYDRAULIC SYSTEM 1. PUMP: GEAR-DRIVEN AXIAL PISTON PUMP 2. FILTERS: 2 FULL-FLOW WITH CHANGEOVER VALVE COOLING SYSTEM 1. PUMP: GEAR-DRIVEN CENTRIFUGAL PUMP ATOMIZATION AIR SYSTEM 1. MAIN COMPRESSOR: GEAR-DRIVEN CENTRIFUGAL COMPRESSOR 2. STARTING COMPRESSOR: POSITIVE DISPLACEMENT PUMP DRIVEN BY STARTING DIESEL 3. PRE-COOLER: TUBULAR AND AIR/WATER HEAT EXCHANGER 4. AIR FILTER: CENTRIFUGAL SEPARATOR PERFORMANCE DATA 1. OUTPUT AT GENERATOR TERMINALS (HEATING OIL): BASE LOAD 33.75 MW 2. EFFICIENCY: 29.9% 3. EXHAUST MASS FLOW: ~131.3 KG/S 4. EXHAUST TEMPERATURE: ~530°C THE SPARE PARTS ARE: 1. COMPRESSOR AND TURBINE BLADING, USED (VARIOUS) AND REVISED (LEADING ROW 2 + 3 AND RUNNING ROW 1 + 2) 2. TRANSITION PIECES USED AND REVISED 3. FLAMMROHRE USED AND REVISED 4. FUEL NOZZLES AND MUCH MORE. 5. COVER SEGMENTS (NEW) 6. AS WELL AS A COMPLETE WAREHOUSE WITH SMALL PARTS (HYDRAULIC COMPONENTS, SCREW CONNECTIONS, SEALS, MEASUREMENT TECHNOLOGY, ETC.) 7. BRAND: GE 8. MODEL: FRAME 6B GAS TURBINE 9. YEAR: 1981 10. CONDITION: USED QUANTITY: 2